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How to design a product table for many kinds of product where each product has many parameters
...ited the last paragraph to make it more clear, but it's about passing your raw EAV data to a process in a language which can deal with data transformations, lookups in a tree structure or any basic map reduce operations really quickly and in a memory efficient way. The specifics here would depend o...
How can I implement prepend and append with regular JavaScript?
...
If you want to insert a raw HTML string no matter how complex, you can use:
insertAdjacentHTML, with appropriate first argument:
'beforebegin'
Before the element itself.
'afterbegin'
Just inside the element, before its first child.
'...
IE9 jQuery AJAX with CORS returns “Access is denied”
...s an old version that doesn't work. Be sure to get the latest version at: raw.github.com/MoonScript/jQuery-ajaxTransport-XDomainRequest/…
– Clintm
Aug 21 '13 at 20:56
3
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How can I avoid running ActiveRecord callbacks?
... it without resorting to additional gems, adding conditional checks, using RAW SQL, or futzing with your exiting code in any way, consider using a "shadow object" pointing to your existing db table. Like so:
class ImportedPerson < ActiveRecord::Base
self.table_name = 'people'
end
This works ...
Failed loading english.pickle with nltk.data.load
...... [nltk_data] Error downloading 'punkt' from [nltk_data] <https://raw.githubusercontent.com/nltk/nltk_data/gh- [nltk_data] pages/packages/tokenizers/punkt.zip>: HTTP Error [nltk_data] 503: first byte timeout
– mrgloom
May 28 '19 at 13:15
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How to remove the left part of a string?
...requires section headers to be present
path = config.get(section, 'path', raw=1) # case-insensitive, no interpolation
Other options
str.split()
re.match()
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improve this answer
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C fopen vs open
...nter directly.
There are several advantages to using FILE-objects rather raw file descriptors, which includes greater ease of usage but also other technical advantages such as built-in buffering. Especially the buffering generally results in a sizeable performance advantage.
...
Catch Ctrl-C in C
...
Or you can put the terminal in raw mode, like this:
struct termios term;
term.c_iflag |= IGNBRK;
term.c_iflag &= ~(INLCR | ICRNL | IXON | IXOFF);
term.c_lflag &= ~(ICANON | ECHO | ECHOK | ECHOE | ECHONL | ISIG | IEXTEN);
term.c_cc[VMIN] = 1;
term...
How to know/change current directory in Python shell?
...tever, you need to double up backslashes if you use them in a regular (non-raw) Python string. Python also lets you use forward slashes instead. Thus, either os.chdir('C:/Users/Ajeya/Documents'), or os.chdir('C:\\Users\\Ajeya\\Documents'), or os.chdir(r'C:\Users\Ajeya\Documents').
...
How to find out what type of a Mat object is with Mat::type() in OpenCV
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For debugging purposes in case you want to look up a raw Mat::type in a debugger:
+--------+----+----+----+----+------+------+------+------+
| | C1 | C2 | C3 | C4 | C(5) | C(6) | C(7) | C(8) |
+--------+----+----+----+----+------+------+------+------+
| CV_8U | 0 | ...